/* ==========================================================================
   LISANGO 2026 SLIDE DECK STYLES
   ========================================================================== */

/* Reset within deck to prevent theme interference */
.lisango-deck,
.lisango-deck *,
.lisango-deck *::before,
.lisango-deck *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Hide preload images */
.lisango-preload {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}
.lisango-preload img {
    width: 1px;
    height: 1px;
}

/* Main Deck Container */
.lisango-deck {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    background: #0a1428;
    color: #ffffff;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    overflow: hidden;
    outline: none;
}

/* Fullscreen styles */
.lisango-deck:fullscreen,
.lisango-deck.is-fullscreen {
    width: 100vw;
    height: 100vh;
}

/* ==========================================================================
   SLIDES
   ========================================================================== */

.lisango-deck .slide {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0s linear 0.5s;
    z-index: 1;
}

.lisango-deck .slide.active {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease, visibility 0s linear 0s;
    z-index: 2;
}

/* ==========================================================================
   INTRO SLIDES (floating messages)
   ========================================================================== */

.lisango-deck .slide-intro {
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at center, #1b2a4a 0%, #0a1428 80%);
    overflow: hidden;
    padding: 40px;
}

.lisango-deck .floating-messages {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.lisango-deck .float-msg {
    position: absolute;
    left: var(--x);
    top: var(--y);
    font-family: Georgia, 'Times New Roman', serif;
    font-style: italic;
    font-size: clamp(14px, 1.8vw, 22px);
    color: rgba(255, 255, 255, 0.35);
    white-space: nowrap;
    transform: translate(-50%, -50%);
    animation: floatIn 6s ease-in-out infinite;
    animation-delay: var(--delay);
    letter-spacing: 0.5px;
}

@keyframes floatIn {
    0%, 100% { opacity: 0; transform: translate(-50%, -40%); }
    30%, 70% { opacity: 1; transform: translate(-50%, -50%); }
}

.lisango-deck .intro-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1100px;
    animation: fadeUp 1s ease-out;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.lisango-deck .intro-logo {
    width: clamp(180px, 20vw, 280px);
    height: auto;
    margin-bottom: 40px;
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.3));
}

.lisango-deck .intro-logo.small {
    width: clamp(120px, 14vw, 180px);
    margin-bottom: 30px;
}

.lisango-deck .intro-title {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: clamp(48px, 8vw, 110px);
    font-weight: bold;
    color: #ffffff;
    letter-spacing: -1px;
    line-height: 1;
    margin-bottom: 16px;
}

.lisango-deck .intro-title.big {
    font-size: clamp(56px, 10vw, 140px);
}

.lisango-deck .intro-title.massive {
    font-size: clamp(64px, 12vw, 180px);
}

.lisango-deck .intro-title .year {
    color: #c41e3a;
    font-style: italic;
}

.lisango-deck .intro-tagline {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-size: clamp(14px, 1.6vw, 20px);
    letter-spacing: 6px;
    text-transform: uppercase;
    color: #c41e3a;
    font-weight: 600;
    margin-bottom: 30px;
}

.lisango-deck .intro-divider {
    width: 120px;
    height: 3px;
    background: #c41e3a;
    margin: 30px auto;
}

.lisango-deck .intro-divider.small {
    width: 60px;
    height: 2px;
    margin: 20px auto;
}

.lisango-deck .intro-sub {
    font-family: Georgia, 'Times New Roman', serif;
    font-style: italic;
    font-size: clamp(18px, 2.2vw, 32px);
    color: rgba(255, 255, 255, 0.85);
}

.lisango-deck .intro-sub-lg {
    font-family: Georgia, 'Times New Roman', serif;
    font-style: italic;
    font-size: clamp(22px, 2.8vw, 40px);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
}

.lisango-deck .intro-body {
    font-size: clamp(16px, 1.8vw, 24px);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 20px;
}

.lisango-deck .intro-body.small {
    font-size: clamp(14px, 1.4vw, 18px);
    line-height: 1.8;
}

.lisango-deck .site-url {
    color: #c41e3a;
    letter-spacing: 1px;
}

/* Pillars */
.lisango-deck .pillars {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: clamp(20px, 3vw, 50px);
    margin-top: 40px;
}

.lisango-deck .pillar {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 140px;
}

.lisango-deck .pillar-num {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: clamp(36px, 5vw, 60px);
    color: #c41e3a;
    font-weight: bold;
    line-height: 1;
    margin-bottom: 8px;
}

.lisango-deck .pillar-txt {
    font-size: clamp(14px, 1.4vw, 18px);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
}

/* ==========================================================================
   PROGRAMME SLIDES (current + up next)
   ========================================================================== */

.lisango-deck .slide-programme {
    background: #0a1428;
    padding: 0;
}

/* Header */
.lisango-deck .slide-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(20px, 3vh, 40px) clamp(30px, 4vw, 60px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

.lisango-deck .header-logo {
    height: clamp(40px, 5vh, 60px);
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.lisango-deck .header-time {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.lisango-deck .time-label {
    font-size: clamp(10px, 1vw, 13px);
    letter-spacing: 3px;
    color: #c41e3a;
    font-weight: bold;
    margin-bottom: 4px;
}

.lisango-deck .time-value {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: clamp(28px, 4vw, 48px);
    font-weight: bold;
    color: #ffffff;
    line-height: 1;
}

/* Body */
.lisango-deck .slide-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: clamp(20px, 3vh, 40px) clamp(30px, 5vw, 80px);
    text-align: center;
    animation: slideIn 0.6s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.lisango-deck .current-label {
    display: inline-block;
    font-size: clamp(11px, 1.1vw, 14px);
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #c41e3a;
    font-weight: bold;
    padding: 6px 18px;
    border: 2px solid #c41e3a;
    border-radius: 3px;
    margin-bottom: clamp(16px, 2vh, 24px);
}

.lisango-deck .current-title {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: clamp(48px, 7vw, 100px);
    font-weight: bold;
    color: #ffffff;
    line-height: 1.05;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.lisango-deck .current-subtitle {
    font-family: Georgia, 'Times New Roman', serif;
    font-style: italic;
    font-size: clamp(20px, 2.4vw, 32px);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: clamp(30px, 4vh, 50px);
}

/* Speakers Row */
.lisango-deck .speakers-row {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: clamp(20px, 3vw, 50px);
    flex-wrap: wrap;
    max-width: 1400px;
    width: 100%;
}

.lisango-deck .speaker-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 0 1 auto;
}

.lisango-deck .speaker-img-wrap {
    width: clamp(100px, 12vw, 180px);
    height: clamp(100px, 12vw, 180px);
    border-radius: 50%;
    overflow: hidden;
    background: #1b2a4a;
    border: 3px solid #c41e3a;
    margin-bottom: 14px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.lisango-deck .speaker-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.lisango-deck .speaker-name {
    font-size: clamp(14px, 1.4vw, 20px);
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 4px;
    text-align: center;
}

.lisango-deck .speaker-role {
    font-size: clamp(10px, 1vw, 13px);
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #c41e3a;
    font-weight: bold;
    text-align: center;
}

/* Q&A Slides */
.lisango-deck .slide-qa .slide-body {
    background: radial-gradient(ellipse at center, rgba(196, 30, 58, 0.08) 0%, transparent 70%);
}

.lisango-deck .qa-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
}

.lisango-deck .qa-icon {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: clamp(120px, 18vw, 240px);
    font-weight: bold;
    color: #c41e3a;
    line-height: 1;
    margin-bottom: 30px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.85; }
}

.lisango-deck .qa-prompt {
    font-family: Georgia, 'Times New Roman', serif;
    font-style: italic;
    font-size: clamp(22px, 2.6vw, 36px);
    color: #ffffff;
    margin-bottom: 12px;
    text-align: center;
}

.lisango-deck .qa-instruction {
    font-size: clamp(14px, 1.4vw, 20px);
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
    text-align: center;
}

/* Footer (Up Next) */
.lisango-deck .slide-footer {
    padding: clamp(16px, 2.5vh, 28px) clamp(30px, 4vw, 60px);
    background: rgba(255, 255, 255, 0.03);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

.lisango-deck .up-next {
    display: flex;
    align-items: center;
    gap: clamp(16px, 2vw, 30px);
    max-width: 1400px;
    margin: 0 auto;
}

.lisango-deck .up-next-label {
    font-size: clamp(10px, 1vw, 13px);
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #c41e3a;
    font-weight: bold;
    padding-right: clamp(16px, 2vw, 30px);
    border-right: 2px solid rgba(196, 30, 58, 0.5);
    flex-shrink: 0;
}

.lisango-deck .up-next-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

.lisango-deck .up-next-title {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: clamp(18px, 2vw, 28px);
    font-weight: bold;
    color: #ffffff;
}

.lisango-deck .up-next-who {
    font-size: clamp(12px, 1.2vw, 16px);
    color: rgba(255, 255, 255, 0.6);
    font-style: italic;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.lisango-deck .slide-nav {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 100;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.3;
    transition: opacity 0.3s ease;
}

.lisango-deck:hover .slide-nav,
.lisango-deck .slide-nav:hover {
    opacity: 1;
}

.lisango-deck .nav-btn {
    background: transparent;
    border: none;
    color: #ffffff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, transform 0.2s ease;
    font-family: Arial, sans-serif;
    padding: 0;
}

.lisango-deck .nav-btn:hover {
    background: #c41e3a;
    transform: scale(1.05);
}

.lisango-deck .nav-btn:active {
    transform: scale(0.95);
}

.lisango-deck .nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.lisango-deck .nav-btn:disabled:hover {
    background: transparent;
    transform: none;
}

.lisango-deck .slide-counter {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    padding: 0 10px;
    font-family: Arial, sans-serif;
    font-weight: 500;
    min-width: 60px;
    text-align: center;
}

.lisango-deck .slide-counter .current-num {
    color: #c41e3a;
    font-weight: bold;
}

/* Progress Bar */
.lisango-deck .slide-progress {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(255, 255, 255, 0.05);
    z-index: 100;
}

.lisango-deck .slide-progress-fill {
    height: 100%;
    background: #c41e3a;
    width: 0%;
    transition: width 0.5s ease;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 768px) {
    .lisango-deck .speakers-row {
        gap: 16px;
    }

    .lisango-deck .pillars {
        gap: 20px;
    }

    .lisango-deck .up-next {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .lisango-deck .up-next-label {
        border-right: none;
        border-bottom: 2px solid rgba(196, 30, 58, 0.5);
        padding: 0 0 6px 0;
    }

    .lisango-deck .slide-nav {
        bottom: 10px;
        right: 10px;
    }
}